/*
 * (C) Copyright 2010 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *     Nuxeo - initial API and implementation
 */

package org.nuxeo.runtime.management.metrics;

import org.nuxeo.runtime.api.Framework;

public class NuxeoClassLoaderInjector {

    protected static final ThreadLocal<ClassLoader> ctx = new ThreadLocal<ClassLoader>();

    public static void replace() {
        if (ctx.get() != null) {
            return;
        }
        ctx.set(Thread.currentThread().getContextClassLoader());
        Thread.currentThread().setContextClassLoader(Framework.class.getClassLoader());
    }

    public static void restore() {
        Thread.currentThread().setContextClassLoader(ctx.get());
        ctx.remove();
    }

}
